I believe this to be a fire-tailed resin bee, however I am not certain, I photos of have another individual (2) that looks strikingly similar, but is slightly larger and much hairier. I wonder if one of them is a mimic, or the opposite sex? Individual 2: www.flickr.com/photos/learn-to-remember/15925497416/in/ph...
There are some differences in size an appearance with the other individual (1) I photographed, I am curious if one is a mimic, or of the opposite sex